Cigarette lighter adaptor for a portable telephone



FIG. 1 is a perspective view showing right, front and top views of the cigarette lighter adaptor for a portable telephone showing the new design;

FIG. 2 is a left elevation view thereof;

FIG. 3 is a rear elevation view thereof; and,

FIG. 4 is a bottom plan view thereof.

The broken lines of FIG. 1 are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a cigarette lighter adaptor for a portable telephone, as shown and described. 